Process for removing inorganic components that form ash on ignition and oily waste from paper during recycling
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United States of America Patent
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Feb 14, 1995
Grant Date -
N/A
app pub date -
Apr 26, 1993
filing date -
Apr 26, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for treating wastepaper to remove oily waste and inorganic components, which comprises: (a) forming an organoclay treating composition in a wastepaper aqueous system; (b) contacting the wastepaper aqueous system with an amount of the organoclay effective to remove from the wastepaper oily waste and inorganic components; and (c) recovering paper pulp from the aqueous system. The process is effective in wastepaper treatment systems using both air flotation removal as well as systems utilizing water-washing processes.
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